Question

select the word that means an idea believed to be true. around 1514, astronomer nicolaus copernicus questioned the doctrine that earth occupied the center of the universe. in 1543, he published a book explaining his observations and calculations. most people discounted copernicuss book until many years later, when scientists affirmed that the planets do orbit the sun.

Explanation:

The text defines a word as an idea believed to be true. The example with Copernicus shows that the concept of Earth being at the center of the universe was a widely - held idea (doctrine) at the time. Doctrine refers to a belief or set of beliefs held and taught by a Church, political party, or other group.

Answer:

Doctrine